PATENT

Microsoft Corp urged the U.S. Supreme Court on Monday to make it easier to challenge some patents as part of its appeal of a record $290 million jury verdict for infringing a small Canadian software firm's patent.

The Supreme Court hears the Microsoft v. i4i patent case today, and a ruling for Microsoft could alter decades of patent law.

Walker Digital, a research and development laboratory for technology patents, filed 15 lawsuits on Tuesday against more than 100 companies including Apple, Microsoft, eBay, Amazon and Google for unauthorized use of its intellectual property rights.

Endo Pharmaceuticals Holding Inc moved to reduce its dependence on its branded products that face generic threats by buying urological devices maker American Medical Systems Holdings Inc for $2.6 billion.

A Texas judge has overturned a $625 million patent infringement award against Apple Inc, saying the jury erred in finding the maker of Mac computers used technology owned by Mirror Worlds LLC illegally.

Bankrupt Nortel Networks has reached a deal to sell its patent portfolio to Google for $900 million, kick-starting an auction process for assets coveted as weaponry for a growing wireless patent war.

Research In Motion has reached a deal with Intellectual Ventures that will give the BlackBerry maker access to more than 30,000 patents held by the intellectual property company.

Father of Java James Gosling has joined Google, much to the dismay of Oracle CEO Larry Ellison, even as Google and Oracle slug it out over Java patent infringement lawsuit targeting Android.

Apple Inc won a round in its patent fight with Nokia on Friday as a U.S. trade panel ruled that the U.S. company did not violate any of five Nokia patents.

Apple Inc won a round in its patent fight with Nokia on Friday as a U.S. trade panel judge ruled that the U.S. company did not violate any of five Nokia patents.

Oral arguments for the Myriad Genetics, Inc. appeals case is set to begin April 4 with a possible written decision in June 2011, RBC Capital Markets said.

Two of the biggest online measurement firms are locked in a battle over alleged patent infringement.

In a closely-watched patent case before the Supreme Court, i4i has fired a brief at Microsoft saying that the latter wants to overturn a century of precedent in patent law.

Congress is preparing to pass the first major changes to patent law in more than a half a century, but some experts say it may not make much difference in the spate of technology company lawsuits.

The U.S. Senate voted overwhelmingly on Tuesday to overhaul U.S. patent laws, approving a measure aimed at chipping away at a huge backlog of patent applications and offering alternatives to expensive litigation.

A case that came up for hearing before the U.S. Supreme Court, involving Stanford University and Swiss pharmaceutical giant Roche, is expected to clarify a landmark intellectual property rights law that lays down the rules for grant of patents for federally funded inventions.

The Senate voted on Tuesday to strip controversial provisions out of a bipartisan bill to revamp the U.S. patent system and clear a years long backlog of patent applications.

A trade panel judge ruled for South Korean chipmaker Samsung Electronics Co Ltd in its battle with Spansion Inc over flash memory chips, the International Trade Commission said on Monday.

Tech giants are lining up to buy patents held by bankrupt telecommunications company Nortel Networks, but a formal auction has been delayed because nobody will pay the price the company's liquidators would like to see.

China, Japan and South Korea are dominating growth in international patent filings in a dramatic demonstration of the shift of scientific and economic power to northeast Asia, figures released on Wednesday showed.

LG, Sony are indulging in patent wars over PS3